Having a mental blank here… Consider the following: [Screen Shot 2021-06-23 at 8.55.42 PM] For each row, I want to count how many times Code appears in the associated Code List. So expected result would be: Row A: 4 Row B: 3 Row C: 4 Row D: 1 Row E: 2 How? :thinking:

Maybe split code list by commas and then relate the splited column with code in order to rollup a count in that relation

This is what I was going to suggest :slight_smile:

yeah I tried that, but the problem is that the relation uses all rows… [Screen Shot 2021-06-23 at 9.20.39 PM] So what I get is a count of how many rows each code appears in, which isn’t what I want. I feel like I’m missing something obvious…

Oh true… We have to think in another way

Where does Code List come from? Is it transferred from a Joined List somewhere else, or is it just entered as a comma delimited list? Also, are the only codes A-E, or could there be others?

[image] Jeff_Hager: Where does Code List come from? Is it transferred from a Joined List somewhere else, or is it just entered as a comma delimited list? yeah, it comes from elsewhere. [image] Jeff_Hager: Also, are the only codes A-E, or could there be others? yeah, lots more - 51 in …

This is an interesting challenge. I really wish we could point to a column in the left side of the template column, then I can convert the list to a number with only relevant codes left, then determine the # of digits of that number using LOG.

@ThinhDinh That’s exactly where I was trying to go with it. Might be something to remember for the next live coding.

Jeff, Just to provide a little more context, this is my starting point… I have one table that looks like so: [Screen Shot 2021-06-23 at 10.29.48 PM] The list of codes is in column A. And then the roster table looks like this: [Screen Shot 2021-06-23 at 10.30.11 PM] In this table, there is o…

Counting the number of occurrences of an item in a joined list

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Alexis_AZOULAI June 23, 2021, 1:38pm 5

Maybe you can adapt this method : https://community.glideapps.com/t/workaround-countif-in-a-row/27802

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Counting the number of occurrences of an item in a joined list

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